Conveyer-carriage.



PATEN-TED MAR. 17, 190s.

F. H. LAMB. CON VEYBR CARRIAGE. APPLIoATIon FILED DB0. a. 1902.

no MODEL.

UNiTnn STATES FRANK H. LAMB, OF HOQUIAM, VASHINGTON.

CONVEYER-CARRIAG E.

SPECIFICATION forming part of Letters Patent No. 722,720, dated March 17, 1903 Application filed December 3, 1902. Serial No. 133,76'l7. (No model.)

To all whom, it may concern:

Be it known that l, FRANK H. LAMB, acitizen of the United States, residing at Hoquiam, in the county of Ohelialis, State of Washington, have invented certain new and useful Improvements in Oonveyer-Oarriages, of which the following isa specification, reference being had therein to the accompanying drawings.

This invention relates to a conveyer-carriage, and particularly to a brake mechanism adapted to operate upon a track or way and controlled from a fixed point. Y

The invention has for an object to provide an improved form of brake mechanism adapted to be operated vby a system of levers connected to a lever controlled by a line extending to a iixed point. y

A further object of the invention is to provide an improved construction to permit an adjustment of the brake-shoes to compensate for wear therein and also of an adjustment of the operating links and levers to control the extent of throw of said shoes.

Another object of the invention is to provide an improved construction of' carriage adapted to receive and support the novel construction of brake mechanism.

Other and further objects and advantages of the invention will be hereinafter set forth, and the novel features thereof defined by the appended claims.

In the drawings, Figure l is a side elevation of the carriage, Fig. 2, a vertical section on the line 2 2 of Fig. l, and Fig. 3 a detail vertical section showing the means for adj usting a brake-shoe.

Like letters of reference refer to like parts in the several figures of the drawings.

The letter A indicates the frame of the carriage, which is preferably composed of two parallel members provided at their upper portions with a yoke A', within which carrierwheels A2 are journaled by means of shafts A3, extending between the sides of the frame. These wheels travel upon a track or Way of any suitable construction-for instance, a cable A, as herein shown. The invention is herein illustrated as applicable to a cable- `way system such as is shown and described in my application filed May 2l, 1902, Serial No. 108,404, but is intended to be used in connection with any desired system. For convenience in applying the carriage to the track vor way A4 one side of the frame is'provided with an opening having at each side lugs A5, between which a sleeve AG is pivotally mounted by a bolt A7 and can be removed when it is desired toplace the carriage upon the track.

For the purpose of mounting the brake mechanism supporting-straps B and B are bolted to the frame at their opposite ends above and below the opening therein, and pivoted to these straps are links B2, disposed atan angle to the straps, so as to act as toggles, while at the opposite end of these links a brake-shoe B3 is pivotally secured thereto. One of each of the links above and below the track is provided with an extended lever-arm B4, secured thereto and disposed at an angle to the link B2, the upper arm being provided with a depending rod B5, pivoted to a lever O at the lower portion of the frame, while the `lower lever-arm B4 is provided with a similar rod or connector B, secured to the pivot C', which also pivots the rod B5. The lever C is provided with apertures O2, by means of which the pivot C may be shifted to control the length of throw of the levers, while the lever C is pivoted to the frame at C3 and its outer end C4 provided with an aperture C5, through which a threaded adjusting-bolt D extends, one end of which bolt being pivotally secured by an eye D to a pin D2, carried by the lever-arm D3, which arm is pivoted at its inner end upon the pivot C3 of the lever O and independently of said lever. The free end of the arm D3 may be operatedin any manner and is shown as provided with a sheave or pulley D, over which a line D5 eX- tendstoa fixed point. Theline D5 maybe the haul-back line used in ihesystem hereinbefore mentioned, or any independent line for the purpose of operating the brake, while the sheave or pulley D4 may be of any desired constructionfor instance, as shown, where it is provided with a casing D and with a hinge-joint D, by which said casing may be opened for the purpose of inserting the line upon the sheave. The journal D7 of the sheave may be hollow, if so desired, and provided with an oil-cup DS of any desired construction for the purpose of lubricating the bearing of the sheave.

IOO

At the lower portion of the frame A a sheave or pulley E is provided and pivotally mounted at E between the members of the frame A, While the casing E2 about the sheave may be provided at one side with a hingejoint E3 and at the opposite side with a similar joint having a removable pin E4, so that the sheave may be swung to one side for the purpose of inserting the line or cable E5 thereon. This line or cable may be either the hauling-line shown in the system hereinbefore mentioned or any other desired line for carrying the weight to be conveyed, and the said line is provided with a stop-block E, secured thereto in any desired manner and adapted to engage the lower end E7 of the casing of the sheave when the load has been lifted to the proper elevation and by the draft upon the line convey the carriage to the desired point, the strain being upon the surfaces of E6 and E7.

Above the carrier-wheels A2 and between the yokes of the frame suitable oil or grease reservoirs F may be secured, ifso desired, and provided with a discharge F', having therein a regulating-valve F2 to discharge the lubricant upon the surface of the carrier-wheels, by which it is carried to the cable and also to the journals of said wheels.

The threaded bolt D is provided at opposite sides of the end C4 of the lever with locknuts D9, which may be adjusted for the purpose of varying the relation of the end C4 to the arm D3, carrying the brake-operating sheave, and the consequent extent of movement of the lever C.

For the purpose of compensating for Wear of the brake-shoes and adjusting the same for operation in connection with different characters of track or way the links B2 are provided at their upper ends with a head G of any desired configurationfor instance, rectangular, as shown-and at opposite sides thereof with journaling portions G', mounted in the frame B, as shown in Fig. 3, while the extended ends of these heads are threaded at G2 and provided with nuts G3, and, if so desired, a Cotter-pin G4 may be inserted in an aperture beyond the nuts G3. The head G is provided with an aperture therethrough and a threaded bolt G5, disposed therein, said bolt being adapted for adjustment in relation to the head by means of nuts G, threaded upon the bolt, while the lower end thereof is provided with a plate G7, extending at one side of the brake-shoe B3, and a similar plate at a right angle thereto disposed above the brake-shoe and provided with a projection GS, extending through the slot G9, formed in the links B2. The shoes are clamped to the links and to the adjusting-bolts by means'ot' the shouldered cross-bolt G10, provided with a nut G11 and extending through the plate G7, shoe B3, and slot G9, so as to bear upon the face of the link B2. It will be seen that the adjusting-bolt being carried by the pivoted head G swings in the movement of the link B2, and by loosening either of the nuts above or below said head the relation of the shoe to the link may be adjusted for any purpose desired.

In the operation of the invention it will be seen that when the parts are in the position shown by full lines the brake-operatinglever is held in a raised position by the tension upon the line leading thereto, and the carriage may be moved to the desired position upon the track or way. When this position is reached, the line to the brake-sheave is slackened, and the gravity of the line, with the sheave and its connected parts, throws the latter into the position shown by dotted lines in Fig. 1, thus carrying upward the inner end of the lever for operating the links supporting the brakeshoes, throwing said links into a substantially vertical position', whereby the shoes are rmly clamped against the opposite faces of the track, so that the carriage may becontrolled when either the brake-line or hauling-line, or both, are slackened and may be braked at any desired point by slackening the brake-line. It will also be seen that the adjusting means for the brake-shoes permit compensation for wear, while the extent of throw or travel of the shoes toward and from the track or way may be varied by the adjustment of the iever operating the same.

It will be obvious that by a reversal of the parts of the brake it can be operated in a Inovement of the carriage in au opposite direction from that described and by any line attached to the operating arm and that one of the brake-shoes and its operating-levers and also the sheave upon the brake-arm may be omitted, if found desirable,while the details of construction and configuration may be changed without departing from the spirit of the invention as defined by the appended claims.

Having described my invention and set forth its merits, what I claim, and desire to secure by Letters Patent, is-

1. In a conveyer-carriage, a frame having carrier -wheels journaled therein, a brakeshoe pivotally mounted in said frame bylinks pivoted at opposite ends to the shoe and frame, means for operating said shoe, and a line extending to a fixed point for operating said operating means; substantially as specified. y

2. In a conveyer-carriage, a frame having carrier-wheels journaled therein, a brakeshoe, links extending diagonally to the face of said brake-shoe and pivotally mounted in said frame, a lever for operating said shoe, and a line extending toy a fixed point for operating said lever; substantially as specied.

3. In a conveyer-carriage, a frame, carrierwheels pivoted therein, a brake-shoe, a link pivoted at opposite ends to the frame and shoe, a lever-arm secured to the link and extended beyond the pivot thereof, and an operating-lever for oscillating the brake-shoe lever arm and link; substantially as speciied.

4. In a eonveyer-carriage, a frame, carrier- IOO IIO

IIS

wheels pivoted therein, a brake-shoe, a link pivoted at opposite ends to the frame and shoe, an operating-lever for oscillating the brake-shoelink,an arm pivotedindependently of the operating-lever and connected thereto, and a line extending from said arm to a fixed point; substantially as specified.

5. In a conveyer-carriage, a frame, carrierwheels pivoted therein, a brake-shoe, av link pivoted at opposite ends to the frame and shoe, an operating-lever for oscillating the brake-shoe link,an arm pivoted independently of the operating-lever and connected thereto, a line extending from said arm to a fixed point, and means for adjusting the length of the connection between said arm and operating-lever; substantially as specified.

In a conveyer-carriage, a frame, carrierwheels pivoted therein, a brake-shoe, a link pivoted at opposite ends to the frame and shoe, an operating-lever for oscillating the brakeshoe1ink,an arm pi voted independently of the operating-lever and connected thereto, a line extending from said arm to a fixed point, means for adjusting the length of the connection between said arm and operatinglever, and means yfor adjusting said brakeshoe upon its supporting-link; substantially as specified.

7. In a conveyer-carriage, a frame, carrierwheels pivoted therein at the upper'portion thereof, a brake-shoe disposed between said wheels, a supporting-link for said shoe pivotally connected thereto and to the frame, an angle-'iron from said shoe-link, an operatinglever pivoted to the frame at the lower portion thereof, and a connector between the arm from the shoe-link and the operating-lever; substantially as specified.

S. In a conveyer-carriage, a frame, carrierwheels pivoted therein at the upper portion thereof, a brake-shoe disposed between said wheels, a supporting-link for said shoe pivotally connected thereto and to the frame, an angle-arm from said shoe-link, an operatinglever pivoted to the frame at the.lower portion thereof, a connector between the arm from the shoe-link and the operating-lever, an arm pivoted upon the axis of the operating-lever and independently thereof, a connector extending from the end of the operating-lever to said arm beyond the pivot thereof, and means for oscillating said arm; substantially as specified.

9. In a conveyer-carriage, a frame, carrierwheels pivoted -therein at the upper portion thereof, a brake-shoe disposed between said wheels, a supporting-link for said shoe pivotally connected thereto and to the frame, an angle-arm from said shoe-link, an operatinglever pivoted to the frame at the lower portion thereof, a connector between the arm from the shoe-link and the operating-lever, an arm pivoted upon the axis of the operating-lever and independently thereof, a connector extending from the end of the operatin g-lever to said arm beyond the pivot thereof,

means of oscillati ng said arm, and' means for adjusting the length of said connector between the operating-lever and arm; substantially as specified.

l0. In a conveyer-carriage, a frame, carrierwheels pivoted therein at the upper portion thereof, a brake-shoe disposed between said wheels, a supporting-link for said shoe pivotally connected thereto and to the frame, an angle-arm from said shoe-link, an operatinglever pivoted to the frame-at the lower por tion thereof, a connector between the arm from the shoe-link and the operating-lever, an arm pivoted upon the axis of the operating-lever and independently thereof, a connector extending from the end of the operating-lever to said arm beyond the pivot thereof, means for oscillating said arm, a secondary brake-shoe pivotally mounted in alinement with the first-mentioned brake-shoe,an anglearm extending from the pivot for said secondary shoe, and a pivotal connection between said angle-arm and operating-lever; substantially as specified.

1l. In a conveyer-carriage, a frame, carrierwheels pivoted therein at the upper portion thereof, a brake-shoe disposed between said wheels, a supporting-link for said shoe pivotally connected thereto and to the frame, an angle-arm from said shoe-link, an operatinglever pivoted to the frame at the lower pore tion thereof, a connector between the arm from the shoe-link and the operating-lever, an arm pivoted upon the axis of the operating-lever and independently thereof, a connector extending from the end of the operating-lever to said arm beyond the pivot thereof, means for oscillating said arm, a secondary brake-shoe pivotally mounted in alinement with the first-mentioned brake-shoe,an1angle arm extending from the pivot for said secondary shoe, a pivotal connection between said angle-arm and operating-lever, and means for adjusting said brake-shoes upon their supporting-links; substantially as specified.

l2. In aconveyer-carriage, a frame,carrier wheels pivoted therein at the upper portion thereof, a brake-shoe disposed between said wheels, a supporting-link for said shoe pivotally connected thereto and to the frame, an angle-arm from said shoe-link, an operatinglever pivoted to the frame at. the lower portion thereof, a connector between the arm from the shoe-link and the operating-lever, an arm pivoted upon the axis of the operating-lever and independently thereof, a connector extending from the end ofv the operating-lever to said arm beyond the pivot thereof, means for oscillating said arm, a secondary brakeshoe pivotally mounted in alinement with the first-mentioned brake-shoe, an angle-arm extending from the pivot for said secondary shoe, a pivotal connection between said angle-arm and operating-lever, means for adjusting said brake-shoes upon their supporting-links, a sheave supported at the lower portion of said frame, and a removable por- IIO tion of said frame below the axis of said wheels; substantially as specified.

13. In aconveyer-carriage, a frame, carrier- Wheels pivotally mounted therein, a supporting-strap carried by said frame, a brake-shoe, a slotted link pivoted to said shoe and strap, a head disposed upon said link, a bolt adjustably mounted in said head at its upper end and embracing said brake-shoe at its lower end, and a securingdevice extending through said bolt, shoe and link; substantially as specified.

14. In a conveyer-oarriage, a frame,carrier wheels pivotally mounted therein, a supporting-strap carried by said frame, a brake-shoe, a slotted link pivoted to said shoe and strap, a head disposed upon said link, a bolt adjustably mounted in said head at its upper end and embracing said brake-shoe at its lower end, a securing device extending through said bolt, shoe and link, adjusting-nuts at the opposite sides of said head disposed upon the upper threaded end of the bolt, and a projection from said bolt above the brake shoe adapted to travelin the slot therein; substantially as specified.

15. In a oonveyer-earriage, a frame,carrier wheels pivotally mounted therein, a brake* shoe mounted upon said frame at its upper portion, an operating-lever having an eye at its outer end and pivoted to the lower portion of the frame to actuate said brake-shoe, an arm pivoted upon the axis of said operatinglever and independently thereof, a threaded bolt having an eye at one end pivoted to said arm, adjusting-nuts upon said bolt at opposite sides of the eye of said operating-lever, and means for oscillating said arm; substantially as specified.

I6. In aconveyer-carriage, aframe, carrierwheels pivotally mounted therein, a brakeshoe mounted upon said frame at its upper portion, an operating-lever having an eye at its outer end and pivoted to the lower portion of the frame, connections therefrom to actuate said brake-shoe, an arm pivoted upon the axis of said operating-lever and independently thereof, a threaded bolt having an eye at one end pivoted to said arm, adj listing-nuts upon said bolt at opposite sides of the eye of said operating-lever, means for oscillating said arm, means upon the inner end of said lever for adjusting the brake-shoe connections, and a sheave mounted upon the free end of said arm substantially as specified.

17. In a conveyer-carriage, a frame composed of parallel members one of which is open, lugs upon the frame at each side of said opening, a sleeve pivoted upon said lugs, and carrier-wheels pivoted in said frame above said opening; substantially as specified.

18. In a eonveyer-carriage, a frame composed of parallel members one of which is open, lugs upon the frame at each side of said opening, a sleeve pivoted upon said lugs, carrier-wheels pivoted in said frame above said opening, straps extending longitudinally of the frame, and brake-shoes pivotally supported from said straps; substantially as specified.

19. In a conveyer-carriage, a frame composed of parallel members, carrier-wheels pivoted in said frame, brake-shoes pivotally supported from said frame, lubricating-cups disposed between the members of the frame above said wheels to discharge thereon, a sheave supported at the lower portion of said frame, an arm for actuating said shoes; and a sheave carried by said arm; substantially as specified.

20. In a conveyer-oarriage, a frame, carrier- Wheels journaled therein, a brake-shoe, a supporting-link for said shoe disposed diagonally to the face thereof, and means for oscillating said link toward and from a vertical plane; substantially as specified.

21. In a conveyer-carriage, a frame, carrierwheels pivoted therein, a track or way, brakeshoes extending between the wheels and disposed upon opposite sides of said track, pivoting-links at the opposite ends of each of said shoes and disposed at an angle thereto and to each other, and means for simultaneously moving said links into a substantially vertical position; substantially as specified.

In testimony whereof I affix my signature in presence 0f two witnesses.

FRANK H. LAMB.

Witnesses:

WILHELM JENSEN, Rp. E. DAWDY. 

